Animal Reproductive Hormones

Animal Reproductive Hormones

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Multiple Choice

Hormones are produced by...

• Glands

• Blood

• Hair

• Nails

Hormones from the Anterior Pituitary

• Follicle stimulating hormone

• Luteinizing hormone

• Human menopausal gonadotropin

• Prolactin

Multiple Choice

Where is the pituitary gland located?

• Thyroid

• Kidney

• Liver

• Brain

Follicle Stimulating Hormone (FSH)

• FEMALE Stimulates: follicle growth & estrogen production

• MALE Stimulates: sperm production & inhibin production

What is A Follicle?

• Found in the ovary and contain eggs which are released during ovulation

• Small sacs filled with fluid

Multiple Choice

Where are follicles located?

• Ovary

• Uterus

Luteinizing Hormone (LH)

• Actions female include: stimulates ovulation, corpus luteum (CL) formation, progesterone production

• Actions male include: stimulates testosterone production

• Also used to treat cystic ovaries

Multiple Choice

LH helps in corpus luteum formation

• True

• False

Multiple Choice

LH stimulates testosterone production in males

• True

• false

Prolactin (Prl)

• Making of milk in the mammary gland

• Development of the mammary gland

• Maternal behavior

Multiple Choice

Which hormone helps the development of the mammary gland?

• FSH

• Prolactin

• LH

• Estrogen

Multiple Choice

Which of these hormones is from the pituitary gland?

• Prolactin

• Estrogen

• Inhibin

• Relaxin

Hormones from the Ovary

• Estrogens

• Inhibin

• Relaxin

Multiple Choice

Which of these is NOT from the ovary?

• Prolactin

• Estrogen

• Inhibin

• Relaxin

Estrogens

• Produced in the theca and granulosa cells of a follicle

• Actions include: Estrus, uterine contractions to bring the sperm up the uterus, & growth of the female reproductive tract

Multiple Select

Estrogen is produced in...

• Theca Cells

• Oocyte

• Antrum

• Granulosa Cells

Inhibin

• Produced in the granulosa cells of the follicle

• Suppresses the release of FSH

Fill in the Blank

Inhibin suppresses the release of...

Relaxin

• Produced during pregnancy by the placenta and uterus

• Actions: relaxes pelvic ligaments, softens connective tissue in uterus and cervix

Multiple Select

Relaxin is produced by...

• Placenta

• Uterus

• Follicles

• Testes

Hormones from the Testes

• Testosterone

• Inhibin

Multiple Choice

Estrogen is a hormone from the testes

• True

• False

Testosterone

• Produced by leydig cells (gonads)

• Actions: Male sexual behavior & maintains accessory sex organs

• Uses: Prepare teaser animals for estrus detection

Fill in the Blank

What is another name for leydig cells?

Inhibin

• Produced by sertoli cells

• Suppresses the release of FSH

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